<h1>{{ question.question_text }}</h1>
{% if error_message %}<p><strong>{{ error_message }} </strong></p>{% endif %}
<form action="{% url 'polls:vote' question.id %}" method="post">
    {% csrf_token %}
    {% for choice in question.choice_set.all %}
        <input type="radio" name="choice" id="choice{{ forloop.counter }}" value="{{ choice.id }}" />
        <!--label 标签的for指定一个id,点击label的文字时。会选中对应的待选项-->
        <label for="choice{{ forloop.counter }}">{{ choice.choice_text }}</label>
        <br />
    {% endfor %}

    <input id="submit" type="submit" value="投票" />
</form>
